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Finding the Fourth Proportional to 340,481.98, 511,110.51 and 172,192.33

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Solution

The fourth proportional to 340,481.98, 511,110.51 and 172,192.33 is: 258,484.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,481.98 : 511,110.51 = 172,192.33 : x
  2. Step 2: Convert to fraction form
    340,481.98/511,110.51 = 172,192.33/x
  3. Step 3: Cross multiply
    340,481.98x = 511,110.51 × 172,192.33
  4. Step 4: Simplify right side
    340,481.98x = 88,009,309,604.39
  5. Step 5: Solve for x
    x = 88,009,309,604.39/340,481.98
  6. Step 6: Final answer
    x = 258,484.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.